APA (7th ed.) Citation

Puri, G. (1991). English conversation for all occasions. C.S.R.

Chicago Style (17th ed.) Citation

Puri, Gopal. English Conversation for All Occasions. New Delhi: C.S.R, 1991.

MLA (9th ed.) Citation

Puri, Gopal. English Conversation for All Occasions. C.S.R, 1991.